package com.atguigu.gulimail.product.service.impl;

import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.utils.R;
import com.atguigu.gulimail.product.entity.*;
import com.atguigu.gulimail.product.feign.CouponFeignService;
import com.atguigu.gulimail.product.service.*;
import com.atguigu.gulimail.product.vo.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimail.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import javax.annotation.Resource;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {
@Autowired
    SpuInfoDescService descService;
@Autowired
    SpuImagesService imagesService;
@Autowired
    AttrService attrService;
@Autowired
    ProductAttrValueService valueService;
@Autowired
SkuInfoService infoService;
@Autowired
SkuImagesService skuImagesService;
@Autowired
SkuSaleAttrValueService skuSaleAttrValueService;
@Autowired
    CouponFeignService couponFeignService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    @Transactional
    //todo 待完善
    public void saveSpuInfo(SpuSaveVo vo) {
        //1.保存spu基本信息  pms_spu_info
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);
        //2.保存spu的描述图片  pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        descService.saveSpuInfoDesc(descEntity);
        //3.保存spu的图片集    pms_spu_images
        List<String> images = vo.getImages();
        imagesService.saveImages(infoEntity.getId(),images);
        //4.保存spu的规格参数     pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {

            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity byId = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(byId.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());
            return valueEntity;
        }).collect(Collectors.toList());
        valueService.saveProductAttr(collect);
        //5.保存spu的积分信息 gulimail-sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        R r1 = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r1.getCode()!=0){
     log.error("远程保存spu积分信息失败");
        }
        //6.保存当前spu对应的所有sku信息
        List<Skus> skus = vo.getSkus();

        if (skus!=null&&skus.size()>0){
            skus.forEach(item->{
                String defaultImg="";
                for (Images image : item.getImages()) {
                    if (image.getDefaultImg()==1){
                        defaultImg=image.getImgUrl();
                    }
                }

                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0l);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                //6.1sku的基本信息 pms_sku_info
                infoService.saveSkuInfo(skuInfoEntity);
                Long skuId = skuInfoEntity.getSkuId();
                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity->{
                    //返回true成功
                    return StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //6.2 sku的图片信息  pms_sku_images
                //todo 没有图片路径的无需保存
                skuImagesService.saveBatch(imagesEntities);

                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity skuSaleAttrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, skuSaleAttrValueEntity);
                    skuSaleAttrValueEntity.setSkuId(skuId);
                    return skuSaleAttrValueEntity;
                }).collect(Collectors.toList());
                //6.3sku的销售属性信息  pms_sku_sale_attr_value
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                //6.4sku的优惠满减等信息   gulimail_sms => sms_sku_ladder\sms_sku_full_reduction\sms_member_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);
               if (skuReductionTo.getFullCount()>0||skuReductionTo.getFullPrice().compareTo(new BigDecimal("0"))==1){
                   R r = couponFeignService.saveSkuReduction(skuReductionTo);
                   if (r.getCode()!=0){
                       log.error("远程保存sku优惠信息失败");
                   }
               }

            });
        }


    }

    @Override
    //1.保存spu基本信息  pms_spu_info
    public void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {
   this.baseMapper.insert(spuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        String key =(String) params.get("key");
        if (!StringUtils.isEmpty(key)){

            wrapper.and(item->{
                item.eq("id",key).or().like("spu_name",key);
            });

        }
        String status =(String) params.get("status");
        if (!StringUtils.isEmpty(status)){

            wrapper.eq("publish_status",status);

        }
        String brandId =(String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId)&&!"0".equalsIgnoreCase(brandId)){

            wrapper.eq("brand_id",brandId);

        }
        String catelogId =(String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId)&&!"0".equalsIgnoreCase(catelogId)){

            wrapper.eq("catalog_id",catelogId);

        }
        IPage<SpuInfoEntity> page = this.page(

                new Query<SpuInfoEntity>().getPage(params), wrapper
        );
        return new PageUtils(page);
    }


}